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Statement I : Zn^(2+) is diamagnetic ...

Statement I : `Zn^(2+)` is diamagnetic
Statement II : The electrons are lost from 4s orbital to from `Zn^(2+)`

A

Statememt 1 is true, statement 2 is true , statement 2 is a correct explanation for statement 1

B

Statement 1 is true, statement 2 is true , statement 2 si not a correct explanation for statement 1

C

Statement 1 is true, statement 2 is false

D

Statement 1 is false, statement 2 is ture

Text Solution

Verified by Experts

The correct Answer is:
B
`Zn^(+)` is diamagnetic because it has no unpaired electrons.
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Explore conceptually related problems

(a). Assertion (A) is true, Reason (R) is also true, Reason (R) is the correct explanation for assertion (A). (b). Assertion (A) is true, Reason (R) is true, Reason (R) is not the correct explanation for Assertion (A). (c). Assertion (A) is true, Reason (R) is false. (d). Assertion (A) is false, Reason (R) is true. Q. Assertion (A): Zn^(2+) is diamagnetic. Reason (R): The electrons are lost from 4s-orbital to form Zn^(2+) .

Assertion : Fe^(2+) has 3de electronic configuration. Reason : Electrons are lost from 4s-orbital to form Fe^(2+) ion.

A: Zn (II) salts are diamagnetic R : Zn^(2+) ion has one unpaired electron.

If A is 2 x 2 invertible matrix such that A=adjA-A^-1 Statement-I 2A^2+I=O(null matrix) Statement-II: 2|A|=1 (i) Statement-I is true, Statement-II is true; Statement-II is a correct explanation for Statement-I (2) Statement-I is true, Statement-II is true; Statement-II is not a correct explanation for Statement-I. 3) Statement-I is true, Statement-II is false. (4) Statement-I is false, Statement-II is true.

Statement-I : There are two spherical nodes in 3s-orbital. Because Statement-II : There is no angular node in 3s-orbital.

Statement-I : Mg^(2+)+ZnSO_(4) rarr MgSO_(4)+Zn^(2+) Statement-II : More active metal can displace less active metal from its salt solution.

Knowledge Check

  • Assertion : Fe^(2+) has 3de electronic configuration. Reason : Electrons are lost from 4s-orbital to form Fe^(2+) ion.

    A
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
    B
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
    C
    Assertion is correct statement but reason is wrong statement.
    D
    Assertion is wrong statement but reason is correct statement

  • Statement-1:Dipositive zinc exhibits diamagnetism due to loss of two electrons from 3d-orbital of neutral atom. Statement-2:The electronic configuration of zinc (Z=30) is [Ar]^(18)3d^10 4s^2

    A
    Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

  • In the following set of questions, a Statement I is given and a corresponding Statement II is given below it. Mark the correct answer as: Statement I: In the solution of [Zn(OH)_(4)]^(2-) gradual addition of dil. HCl initially produces white the precipitate of Zn(OH)_(2) and on further addition of dil. HCl the white precipitate gets dissolved. Statement II: Zn(OH)_(2) is amphoteric in nature.

    A
    If both Statement I and Statement II are true and Statement II is the correct explanation of Statement I.
    B
    If both Statement I and Statement II are true but Statement II is not the correct explanation for Statement I.
    C
    If Statement I is true but Statement II is false.
    D
    If Statement I is false but Statement II is true.